Item #: 1294508 This is an authentic TIFFANY Sterling Silver Rock Crystal Quartz Blue Chalcedony Amazonite Bead Necklace. The necklace is crafted of polished 10mm rock crystal quartz, blue chalcedony, and amazonite beads and a sterling silver clasp. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.